Home / 98,415,847.20-147,623,770.80-57,433,216.80

Finding the Fourth Proportional to 98,415,847.20, 147,623,770.80 and 57,433,216.80

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Solution

The fourth proportional to 98,415,847.20, 147,623,770.80 and 57,433,216.80 is: 86,149,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,847.20 : 147,623,770.80 = 57,433,216.80 : x
  2. Step 2: Convert to fraction form
    98,415,847.20/147,623,770.80 = 57,433,216.80/x
  3. Step 3: Cross multiply
    98,415,847.20x = 147,623,770.80 × 57,433,216.80
  4. Step 4: Simplify right side
    98,415,847.20x = 8,478,508,033,189,910
  5. Step 5: Solve for x
    x = 8,478,508,033,189,910/98,415,847.20
  6. Step 6: Final answer
    x = 86,149,825.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.